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Kits

The main function of a Preamplifier is to amplify small and weak signals for further amplification. Generally, weak signals from microphones, audio sources and other

Have you ever tried to design a variable regulated power supply? This article describes you how to design a variable power supply circuit . Till

Inverters are often needed at places where it is not possible to get AC supply from the Mains. An inverter circuit is used to convert

A Smoke Detector is a smoke sensing device that indicates fire. Smoke Detectors are very common in homes, offices, schools and industries. Smoke Detectors are

Land mines buried under the ground causes threat to the lives and affect the economy of the nation. Detection and removing of these mines manually

GSM controlled robot or SMS controlled robot is a wireless robot which performs the necessary actions by receiving a set of instructions in the form

Human detection robot is not a new technology. Many types of human detection robots were designed depending on the application. During the natural calamities like

Siren is a device that produces loud noise. They are the means communication. Sirens can be seen in emergency vehicles such as police cars, ambulances

Biometrics is the emerging technology used for identification. Biometric refers to automatic identification of a person based on biological characters such as finger print, iris,

 This article explains you how to make a puff to off led electronic circuit. Candles are not new to us. They are being used since